Collapsable workchair



FIG. 1 is a perspective view of collapsible workchair showing my new design thereof;

FIG. 2 is a front elevational view, the rear elevational view being a mirror image thereof;

FIG. 3 is a right side elevation view, the left side being a mirror image thereof; and,

FIG. 4 is a top plan view, the bottom plan being a mirror image thereof. 

The ornamental design for a collapsible workchair, as shown and described. 